| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 412 | 8.689,06 | 21,09 | 4 |
| 2007 | 348 | 7.724,92 | 22,20 | 3 |
| 2008 | 310 | 7.936,70 | 25,60 | 4 |
| 2009 | 256 | 6.937,11 | 27,10 | 4 |
| 2010 | 315 | 7.053,62 | 22,39 | 4 |
| 2011 | 278 | 6.176,48 | 22,22 | 3 |
| 2012 | 406 | 8.442,25 | 20,79 | 4 |
| 2013 | 380 | 9.567,63 | 25,18 | 4 |
| 2014 | 381 | 10.163,51 | 26,68 | 4 |
| 2015 | 363 | 10.037,26 | 27,65 | 5 |
| 2016 | 357 | 10.051,68 | 28,16 | 5 |
| 2017 | 361 | 9.968,97 | 27,61 | 5 |
| 2018 | 391 | 10.688,04 | 27,34 | 5 |
| 2019 | 388 | 10.366,60 | 26,72 | 5 |
| 2020 | 373 | 10.729,30 | 28,76 | 5 |
| 2021 | 342 | 9.469,66 | 27,69 | 6 |
| 2022 | 346 | 9.420,29 | 27,23 | 7 |
| 2023 | 373 | 9.439,90 | 25,31 | 7 |
| 2024 | 423 | 9.738,91 | 23,02 | 7 |
| totale | 6.803 | 172.601,89 | 25,37 | 91 |